/*
*********************************************************************************************************
*                                             uC/GUI V3.98
*                        Universal graphic software for embedded applications
*
*                       (c) Copyright 2002, Micrium Inc., Weston, FL
*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
*              �C/GUI is protected by international copyright laws. Knowledge of the
*              source code may not be used to write a similar product. This file may
*              only be used in accordance with a license and should not be redistributed
*              in any way. We appreciate your understanding and fairness.
*
----------------------------------------------------------------------
File        : GUI_SetTextStyle.C
Purpose     : Implementation of various text styles
---------------------------END-OF-HEADER------------------------------
*/

//#include <stddef.h>           /* needed for definition of NULL */
#include <stdio.h>
#include "GUI_Protected.h"

/*********************************************************************
*
*       Static code
*
**********************************************************************
*/
/*********************************************************************
*
*       GUI__cbDrawTextStyle
*/
static void GUI__cbDrawTextStyle(U16 Char)
{
	I32 x0, x1;
	x1 = GUI_Context.DispPosX - 1;
	x0 = x1 - GUI_Context.pAFont->pfGetCharDistX(Char) + 1;
	/* Handle Underline */
	if (GUI_Context.TextStyle & GUI_TS_UNDERLINE) {
		I32 yOff = GUI_Context.pAFont->Baseline;
		if (yOff >= GUI_Context.pAFont->YSize) {
			yOff = GUI_Context.pAFont->YSize - 1;
		}
		LCD_DrawHLine(x0, GUI_Context.DispPosY + yOff, x1);
	}
	/* Handle strike thru */
	if (GUI_Context.TextStyle & GUI_TS_STRIKETHRU) {
		I32 yOff = GUI_Context.pAFont->Baseline - ((GUI_Context.pAFont->CHeight + 1) / 2);
		LCD_DrawHLine(x0, GUI_Context.DispPosY + yOff, x1);
	}
	/* Handle over line */
	if (GUI_Context.TextStyle & GUI_TS_OVERLINE) {
		I32 yOff = GUI_Context.pAFont->Baseline - GUI_Context.pAFont->CHeight - 1;
		if (yOff < 0) {
			yOff = 0;
		}
		LCD_DrawHLine(x0, GUI_Context.DispPosY + yOff, x1);
	}
}

/*********************************************************************
*
*       Public code
*
**********************************************************************
*/
/*********************************************************************
*
*       GUI_SetTextStyle
*/
char GUI_SetTextStyle(char Style)
{
	char OldStyle;
	OldStyle = GUI_Context.TextStyle;
	GUI_pfDispCharStyle = GUI__cbDrawTextStyle;    /* Init function pointer (function in this module) */
	GUI_Context.TextStyle = Style;
	return OldStyle;
}

/*************************** End of file ****************************/
	 	 			 		    	 				 	  			   	 	 	 	 	 	  	  	      	   		 	 	 		  		  	 		 	  	  			     			       	   	 			  		    	 	     	 				  	 					 	 			   	  	  			 				 		 	 	 			     			 
